private void DownloadIndex(Action <string> onFinished)
{
try
{
var ec = new FileDownload();
var pd = new ProgressDialog(this);
pd.SetMessage(Resources.GetText(Resource.String.Download_LoadingData));
pd.SetCancelable(false);
pd.Show();
ec.OnFinishedAction = (result) =>
{
MainThread.BeginInvokeOnMainThread(() =>
{
onFinished.Invoke(result);
pd.Hide();
});
};
ec.OnError = (message) =>
{
MainThread.BeginInvokeOnMainThread(() =>
{
pd.Hide();
PopupHelper.ErrorDialog(this, Resource.String.Download_ErrorDownloading, message);
});
};
ec.Execute(GpxFileProvider.GetIndexUrl());
}
catch (Exception ex)
{
PopupHelper.ErrorDialog(this, Resource.String.Download_ErrorDownloading, ex.Message);
}
}
protected override string RunInBackground(params string[] @url)
{
try
{
var file = GpxFileProvider.GetFile(url[0]);
Thread.Sleep(500);
return(file);
}
catch (Exception ex)
{
OnError?.Invoke(ExceptionHelper.Exception2ErrorMessage(ex));
return(null);
}
}
protected override PoiList RunInBackground(params string[] @url)
{
try
{
OnStageChange?.Invoke(Resource.String.Download_Progress_Downloading, 1);
var file = GpxFileProvider.GetFile(GpxFileProvider.GetUrl(url[0]));
OnProgressChange?.Invoke(1);
var listOfPoi = GpxFileParser.Parse(file, _source.Category, _source.Country, _source.Id,
x => OnStageChange?.Invoke(Resource.String.Download_Progress_Processing, x),
x => OnProgressChange?.Invoke(x));
return(listOfPoi);
}
catch (Exception ex)
{
OnError?.Invoke(ExceptionHelper.Exception2ErrorMessage(ex));
return(new PoiList());
}
}
protected override bool RunInBackground(params string[] @command)
{
try
{
OnStageChange?.Invoke(Resource.String.Download_Progress_FetchingElevationTilesList, 1);
var file = GpxFileProvider.GetFile(GpxFileProvider.GetUrl(_source.Url));
OnProgressChange?.Invoke(1);
var elevationMap = JsonConvert.DeserializeObject <ElevationMap>(file);
_elevationTileCollection = new ElevationTileCollection(elevationMap);
if (@command[0] == COMMAND_DOWNLOAD)
{
OnStageChange?.Invoke(Resource.String.Download_Progress_DownloadingElevationData, _elevationTileCollection.GetCountToDownload());
if (!_elevationTileCollection.Download(progress => { OnProgressChange(progress); }))
{
OnError?.Invoke(_elevationTileCollection.GetErrorList());
return(false);
}
return(true);
}
if (@command[0] == COMMAND_REMOVE)
{
OnStageChange?.Invoke(Resource.String.Download_Progress_RemovingElevationData, 1);
return(_elevationTileCollection.Remove());
}
return(false);
}
catch (Exception ex)
{
OnError?.Invoke(ExceptionHelper.Exception2ErrorMessage(ex));
return(false);
}
}
